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spain

although spain was the most self sufficient member of the ec with regard to minerals, imports were needed to meet about 30 percent of its needs. in the mid 1980s, spain's mining industry suffered from the depressed state of the world minerals market, and the production of most substances had declined.

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new to mining? here are the most common types of mining

blasting equipment is used for both underground and open pit mining operations and is known to be one of the most hazardous aspects of the job. for mining operations to be successful good blast designs are absolutely vital as poor practices and excessive explosives can result in damage to rock structures causing unwanted caving.